Nobody knows how long and how seriously the shakiness in the financial system will ___ down the eco

题目

Nobody knows how long and how seriously the shakiness in the financial system will ___ down the eco
A.settle
B.drag
C.knock
D.put

答案

选B.dragdrag down 这个词组的意思是拖垮 向下拖整句话的意思 按单词一个一个来翻就是：没有人知道金融体系的不稳定会把经济拖垮多久多严重!句子的主干是the shakiness will _drag__ down the eco in the financia...